Draft-equalizer.



PATENTED JAN. 13, 1903. B. 'WASHAM. DRAFT BQUALIZER. APPLICATION FILEDJUNE 16, 1902.

NQMODEL UNITED STATES i: ATENT FFICE.

BERT VVASIIAM, OF PRYORGREEK, INDIAN TERRITORY.

DRAFT-EQUALIZER.

SPECIFICATION forming part of Letters Patent No. 718,180, dated January13, 1903.

Application filed June 16, 1902.

To aZZ whom it may concern:

Be it known that I, BERT WASHAM, a citizen of the United States,residing at Pryorcreek, in the Cherokee Nation, Indian Territory, haveinvented certain new and useful Improvements in Draft-Equalizers; and Ido declare the following to be a full, clear, and exact description ofthe inventionfsuch as will enable others skilled in the art to which itappertains to make and use the same.

The invention relates to a draft-equalizer.

The object of the invention is to provide a draft-equalizer which shallbe simple of construction, durable in use, comparatively inexpensive ofproduction, and the parts of which are so arranged that four horses maydraw abreast, three being located upon one side of the tongue or poleand one upon the opposite side, the one equalizing the pull of the threeothers.

With this and other objects in view the invention consists of certainnovel features of construction, combination, and arrangement of parts,which will be hereinafter more fully described, and particularly pointedout in the appended claim.

In the accompanying drawings, Figure 1 is a top plan view of my improvedequalizer, and Fig. 2 is a front view.

In the drawings, l denotes the tongue or pole of a vehicle oragricultural machine, and 2 denotes a short lever pivotally connected bya bolt 3 to the rear end of the tongue or pole. This lever 2 has aplurality ofopenings for the pivot 3, whereby it may be shifted on thelatter as may be necessary;

4 denotes the evener-lever,pivoted by a bolt 5' to the tongue or pole inadvance of the lever 2 and pivoted near one end, whereby one end of theleyer v5 projects laterally a greater distance from the tongue or polethan the other end 6 of said lever.

7 and 8 denote doubletrees, the latter of which is pivoted to the longend 5 of the lever by a bolt 9, and the former of which is pivotallyconnected to the short end 6 of the lever by a pivoted crank 10, one endof the crank being pivoted to the short end of the lever, and the otherend 11 of the crank being pivoted to the doubletree 7. This doubletree7, it will be seen, has not only a pivotal connection with the short endof the lever, but,

Serial No. 111,971 (No model.)

owing to the crank, has also a swinging connection.

12 denotes a link connecting one end of the lever 2 with the centralportion of the doubletree 7, and 13 denotes a link pivotally connectingthe other end of the lever 2 to the long end 5 of the lever 4E.

14: and 15 denote singletrees attached to the doubletree 8,and 16 and 17denote singletrees attached to the doubletree 7. The singletrees 14, 15,and 16 are, as indicated, located upon one side of the tongue, while thesingletree 17 is located upon the opposite side of the tongue.

When the draft-animals are attached to the respective singletrees, threeupon one side of the tongue and one upon the opposite side, the draft ofthe three upon one side of the tongue will be evened or equalized by thedraft of the one upon the opposite side of the tongue in the mannercommon to this class of devices.

From the foregoing description, taken in connection with theaccompanying drawings, the construction, mode of operation, andadvantages of the invention will be readily understood without requiringan extended explanation.

Various changes in the form, proportion,

and details of construction may be made with-,

in the scope of the invention without departing from the spirit orsacrificing any of the advantages thereof.

It will be observed byreference to Fig. l of the drawings that thedoubletrees 7 8 are disposed directly over the evener-lever 4 and thatthe crank-link 10 is normally parallel with and between the lower sideof the doubletree 7 and the upper side of the evenerlever, and thisdisposition is maintained irrespective of the adjustment of the lever 2on its pivot 3. Hence the wrists at the ends of the crank, which effectsthe connections between the same, its doubletree 7, and the evener-leverare prevented from being bent under the stress of the draft, and theintermediate portion of the crank is also kept straight.

Having thus described my invention, what I claim, and desire to secureby Letters Patent, is-- The combination of a draft tongue, an

I ally connected thereto, and a link 12 connecting the doubletree 7 tothe end of lever 2, 0pposite that to which link 13 is connected,substantially as described.

In testimony whereof I have hereunto set my hand in presence of twosubscribing witnesses.

B. WASHAM.

Witnesses:

P. W. SAMUEL, l 0. A. FISK.

